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java.lang.NullPointerException at hudson.model.AbstractBuild.getPreviousBuild(AbstractBuild.java:213) at hudson.tasks.Fingerprinter$FingerprintAction.onLoad(Fingerprinter.java:349) at hudson.model.Run.onLoad(Run.java:320) at hudson.model.RunMap.retrieve(RunMap.java:226) at hudson.model.RunMap.retrieve(RunMap.java:59) at jenkins.model.lazy.AbstractLazyLoadRunMap.load(AbstractLazyLoadRunMap.java:645) at jenkins.model.lazy.AbstractLazyLoadRunMap.load(AbstractLazyLoadRunMap.java:608) at jenkins.model.lazy.AbstractLazyLoadRunMap.search(AbstractLazyLoadRunMap.java:347) at jenkins.model.lazy.AbstractLazyLoadRunMap.getByNumber(AbstractLazyLoadRunMap.java:505) at jenkins.model.lazy.AbstractLazyLoadRunMap.search(AbstractLazyLoadRunMap.java:358) at jenkins.model.lazy.AbstractLazyLoadRunMap.newestBuild(AbstractLazyLoadRunMap.java:300) at hudson.model.AbstractProject.getLastBuild(AbstractProject.java:1021) at hudson.model.AbstractProject.poll(AbstractProject.java:1387) at hudson.triggers.SCMTrigger$Runner.runPolling(SCMTrigger.java:439) at hudson.triggers.SCMTrigger$Runner.run(SCMTrigger.java:468) at hudson.util.SequentialExecutionQueue$QueueEntry.run(SequentialExecutionQueue.java:118) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:471) at java.util.concurrent.FutureTask$Sync.innerRun(FutureTask.java:334) at java.util.concurrent.FutureTask.run(FutureTask.java:166) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1110) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:603) at java.lang.Thread.run(Thread.java:722)